/*
 * Copyright 2010 Christoph Widulle (christoph.widulle@googlemail.com)
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the
 * License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS"
 * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */



package com.android1.amarena2d.actions.interval;

import com.android1.amarena2d.actions.base.IntervalAction;
import com.android1.amarena2d.nodes.behavior.ActionTarget;

public class RotateTo extends IntervalAction {

    protected float angle;
    protected float startAngle;

    public RotateTo(float duration, float angle) {
        super(duration);
        this.angle = angle;
    }

    public static RotateTo $(float duration, float angle) {
        return new RotateTo(duration, angle);
    }

    @Override
    public void start(ActionTarget target) {
        super.start(target);
        startAngle = target.getRotation();
        if (startAngle > 0)
            startAngle = (startAngle % 360.0f);
        else
            startAngle = (startAngle % -360.0f);

        angle -= startAngle;
        if (angle > 180)
            angle = -360 + angle;
        if (angle < -180)
            angle = 360 + angle;

    }

    @Override
    public void update(float t) {
        target.setRotation(startAngle + angle * t);
    }

    @Override
    public RotateTo reverse() {
        return RotateTo.$(duration, -angle);
    }

    @Override
    public RotateTo copy() {
        return RotateTo.$(duration, angle);
    }


}